B-tech-2-1/ClassWork/Java/Unit-4/Multithreading/SynchronizationPb.java
class Callme {
    void call(String msg) {
        System.out.print("[" + msg);
        try {
           Thread.sleep(1000);
        } catch(InterruptedException e) {
            System.out.println("Interrupted");
         }
          System.out.println("]");
        }
   };

class Caller implements Runnable {
    String msg;
    Callme target;
    Thread t;
    public Caller(Callme targ, String s) {
        target = targ;
        msg = s;
        t = new Thread(this);
        t.start();
    }
    public void run() {
        target.call(msg);
    }
};

class Synch {
    public static void main(String args[]) {
        Callme target = new Callme();
        Caller ob1 = new Caller(target, "Hello");
         Caller ob2 = new Caller(target, "Synchronized");
        Caller ob3 = new Caller(target, "World");
        try {
            ob1.t.join();
            ob2.t.join();
            ob3.t.join();
        } catch(InterruptedException e) {
             System.out.println("Interrupted");
        }
    }
};

//output:
/*
 [Synchronized[Hello[World]
]
]
 */
